[PATCH v3 1/2] commands: change Y-Modem implementation

[Sascha Hauer]

On Thu, Nov 08, 2012 at 10:16:40PM +0100, Robert Jarzmik wrote:
> The current Y-Modem implementation has some limitations:
>  - Y-Modem/G protocol is not supported
>  - Multiple files (aka. batch) transfers are not supported
>  - Transfer speed over fast lines (USB console) is slow
>  - Code is not trivial to maintain (personnal opinion)
> 
> This implementation tries to address all these points by
> introducing loady2 command.
> 
> The effects are :
>  - transfer speed for Y-Modem over USB jumps from 2kBytes/s
>    to 180kBytes/s
>  - transfer speed for Y-Modem/G jumps to 200kBytes/s
>  - multiple file transfers are possible
> 
> This command was tested on a USB console and UART 9600bps
> serial line :
>  - NAKs (and retransmissions) were tested for faulty
>    serial lines
>  - multiple file transfers were tested
>  - Y-Modem, Y-Modem/G and X-Modem transfers were tested
> 
> Signed-off-by: Robert Jarzmik <robert.jarzmik at free.fr>
> Tested-by: Antony Pavlov <antonynpavlov at gmail.com>

Applied, thanks

Sascha

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